Raimundo Ribeiro Passos

Utilization of guarana (Paullinia cupana) biowaste from the Amazon for supercapacitor electrode production

Abstract The valorization of Amazonian biomass residues into porous carbon materials represents a sustainable strategy for the development of energy storage technologies. In this study, guarana ( Paullinia cupana ) husk, an agro-industrial by-product, was converted into activated...